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Water Rebates and Discounts

Starting on January 1, 2020, the following rebates will be available for City of Longmont residents and businesses through Efficiency Works. Efficiency Works is a collaborative effort between Platte River Power Authority and the utilities of Estes Park, Fort Collins, Longmont and Loveland to help customers save energy and water.

Click to visit the Efficiency Works Residential Efficiency Rebate website to apply for rebates on the following:

High-Efficiency Toilet Rebate

Residential Use

The City of Longmont's high-efficiency toilet rebate will now be offered through Efficiency Works. Review the new requirements below and click this link to apply for a $50 high-efficiency toilet rebate.


Replace your old 3.5 gallon per flush (GPF) toilet(s) or greater with a new qualified, high-efficiency toilet (WaterSense certified 1.1 GPF toilet with a MaP score of 600g or higher). Residential customers are limited to two toilets per year and must submit their rebate application within the calendar year of the new toilet's purchase.

How do I know the GPF of my existing toilet?

To find the GPF on your existing toilet, look under the toilet lid or on the back of the toilet bowl behind the seat. If the GPF is not listed, the appliance year should be inside the toilet tank or under the lid. Please note that homes built after 1994 will not qualify for the current toilet rebate program since laws were passed requiring the installation of lower flow toilets during that year.

Find the year your home was built at the Boulder County Assessor webpage.

What is WaterSense?

WaterSense is a third-party certification that meets the EPA's specifications for water efficiency and performance. Visit the EPA's website to learn more.

What is a MaP score?

MaP scores calculate how well a toilet flushes solid waste. A MaP score of 600g or more helps ensure that your new high-efficiency toilet will work efficiently. Visit the website to search for MaP tested WaterSense toilets.

How to participate for the High-Efficiency Toilet Rebate

Recycle your toilet

  • Recycle your old toilet at the City of Longmont Waste Diversion Center at 140 Martin Street
  • Old 3.5 gallon toilet/urinal drop-off hours: Monday - Saturday, 7:30 am - 4:45 pm. Closed Sundays and holidays.

Requirements for recycling

  • You must bring an e-mail or copy of your receipt from Efficiency Works stating that you have participated in the program.

    only the porcelain is accepted. All metal and plastic must be removed, this includes tank levers, flush valves, fill valves, gaskets, bolts, and toilet seats. If any metal and plastic parts remain on the toilet, the toilet will not be accepted.

    Why is only the porcelain accepted? The City of Longmont Street Department will be adding the toilets to their asphalt pile, crushing them, and using them for road stabilization and other backfill projects. If there is any metal or plastic on the toilet, we will be unable to add it to the asphalt pile.

Irrigation Equipment Rebates

Residential Use

City of Longmont residents who have completed an irrigation assessment in the past two years can apply to receive rebates on the following irrigation equipment:

MP Rotator Sprinkler Head Nozzle Rebate

  • Rebate $25 per set of 10, $2.50/head after
  • Minimum purchase to qualify for the rebate: 10
  • Limit per year: 20

Rain Sensor Rebate

  • Wired: $15
  • Wireless: $30
  • Limit per year: 1

Wi-Fi Irrigation Controller Rebate

  • Rebate: $50
  • Limit per year: 1

How to participate for the Irrigation Equipment Rebates:

Rebates are available to Longmont utility customers on a first-come, first-served basis.

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